Pa help guys need na po :(
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Answer:
1. [tex]A=x^{2} -25\\[/tex]
2. [tex]A= 9x^{2}+24x+16\\[/tex]
3. [tex]L= 3x-2[/tex]
4. [tex]s=y^2-3y+1[/tex]
5. [tex]3m^{3} +6m^{2} -6m[/tex]
Step-by-step explanation:
1. A= L×W
[tex]=(x+5)(x-5)\\=x^{2} -5x+5x-25\\A=x^{2} -25\\[/tex]
2. A= s×s or s^2
[tex]=(3x+4)(3x+4)\\=9x^{2}+12x+12x+16\\A= 9x^{2}+24x+16\\[/tex]
3. A= L×W
[tex]3x^{2} +7x-6= L (x+3)\\\frac{3x^{2} +7x-6}{x+3} =L\\\frac{(3x-2)(x+3)}{x+3} =L\\L= 3x-2[/tex]
4. s= d/t
[tex]s= \frac{2y^{3} -7y^{2}+5y-1 }{2y-1} \\=\frac{(2y-1)(y^2-3y+1)}{2y-1} \\s=y^2-3y+1[/tex]
5.
[tex](m^{2} +2m-2)[(m+3)+(2m-3)]\\=(m^{2} +2m-2)(3m)\\=3m^{3} +6m^{2} -6m[/tex]